let array: number[] = [1, 2]
let temp: string[] = ["xiaowang", "1"]
let array2: boolean[] = []
array2.push(true)

//users是Array类型，存放的number类型数据
let users: Array<number> = [1, 2, 3]

let students: [number, string, boolean] = [1, "xiaowang", true]

let obj:object = {}
let obj2:object = {id:1}
// console.log(obj2.id);

let array3:object = [1,2,3]
let fun:object = function(){

}

let classes:{id:number,name:string} = {id:1,name:"xiaofei"}

let day:Date = new Date()



export default {}